ions test Flashcards

1
Q

bromide

A

add nitric acid then silver nitrate = cream precipitate

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2
Q

chloride

A

add nitric acid then silver nitrate = white precipitate

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3
Q

iodine

A

add nitric acid then silver nitrate = yellow precipitate

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4
Q

sulfate

A

HCL then barium chloride = white precipitate

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5
Q

carbonate

A

HCL = carbon dioxide bubbles given off

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6
Q

ammonium

A

add sodium hydroxide = ammonia gas given off

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7
Q

copper

A

add sodium hydroxide = blue precipitate

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8
Q

aluminium

A

add sodium hydroxide = colourless precipitate

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9
Q

zinc

A

add sodium hydroxide = white precipitate

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10
Q

lead

A

add sodium hydroxide = white precipitate

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11
Q

iron 3

A

add sodium hydroxide = reddish brown precipitate

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12
Q

iron 2

A

add sodium hydroxide = green precipitate

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13
Q

why add nitric acid

A

to remove halide ions

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14
Q

why add HCL

A

to remove carbonate ions

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15
Q

iron + dilute sulfric acid observation

A

bubbles of gas produced iron disasters and pale green solution formed

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